2628774 has 32 divisors (see below), whose sum is σ = 5923680. Its totient is φ = 874800.

The previous prime is 2628749. The next prime is 2628779. The reversal of 2628774 is 4778262.

It is a d-powerful number, because it can be written as 2¹³ + 6⁷ + 2¹³ + 8⁷ + 7⁶ + 7⁶ + 4 .

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4074 + ... + 4674.

It is an arithmetic number, because the mean of its divisors is an integer number (185115).

2^2628774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2628774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2961840).

2628774 is an abundant number, since it is smaller than the sum of its proper divisors (3294906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2628774 is an frugal number, since it uses more digits than its factorization.

2628774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 606 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 2628774 is about 1621.3494379683. The cubic root of 2628774 is about 138.0122862407.

The spelling of 2628774 in words is "two million, six hundred twenty-eight thousand, seven hundred seventy-four".